on the brain

phrase

informal
: always in one's thoughts
I've had pizza on the brain all day.
He's got sex on the brain.

Examples of on the brain in a Sentence

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If fall is on the brain, scrap the breezy white tops and head straight for this forest green blouse by Gap. Clara McMahon, PEOPLE, 28 Aug. 2026 In rodent studies, DHM seemed to clear alcohol from the animals’ bodies, reduce liver damage, and alter alcohol’s effects on the brain. Shayla Love, New Yorker, 26 Aug. 2026 Kraft and his team then create computer simulations of how the head impact causes strain on the brain and in what region of the brain. Kristine Sorensen, CBS News, 24 Aug. 2026 To get around the blood-brain barrier, the team injected the cells directly into the tumor site on the brain through a catheter. Isabella Backman, Hartford Courant, 24 Aug. 2026 See All Example Sentences for on the brain

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“On the brain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20the%20brain. Accessed 2 Sep. 2026.

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